Home / 71,176.24-98,223.80-39,345.67

Finding the Fourth Proportional to 71,176.24, 98,223.80 and 39,345.67

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Solution

The fourth proportional to 71,176.24, 98,223.80 and 39,345.67 is: 54,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,176.24 : 98,223.80 = 39,345.67 : x
  2. Step 2: Convert to fraction form
    71,176.24/98,223.80 = 39,345.67/x
  3. Step 3: Cross multiply
    71,176.24x = 98,223.80 × 39,345.67
  4. Step 4: Simplify right side
    71,176.24x = 3,864,681,220.95
  5. Step 5: Solve for x
    x = 3,864,681,220.95/71,176.24
  6. Step 6: Final answer
    x = 54,297.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.